Page 16 of articles about manure
Smithfield Foods releases annual corporate social responsibility report
Farm practices survey and modelling to estimate monthly NH3 emissions from swine production in 12 Ecoregions of Canada
Spain - MARM presents ECOGAN
Genencor welcomes biofuel guidelines
UK - Pigs and poultry farm practices survey 2009
United Kingdom - Recent changes to the NVZ boundary
Netherlands -Twenty percent fewer livestock will curb manure oversupply
UK - Food and farm waste can help power the nation
Netherlands - Wageningen UR designs biogas plant
USA - NIFA Air Quality Projects to help prevent and reduce greenhouse gas emissions
USA - North Carolina electric providers call for swine waste project bids
UE - Nitrate pollution falling, but greater efforts still needed to meet water quality standards across the EU
California to measure methane
Netherlands - Commission Decision granting a derogation concerning the protection of waters against pollution caused by nitrates from agricultural sources

Dimension and design of the farrowing unit
The Danish pig producers’ research organisation has tested a number of different designs. They recommend pen dimensions of 2.7x1.8 m to accommodate modern prolific breeds.